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XL74LS138 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

XL74LS138 product

XL74LS138

Multiplexers

DecoderDemultiplexerTTL

The XL74LS138 is a high-speed Schottky-clamped TTL 3-to-8 line decoder/demultiplexer, ideal for memory address decoding and data routing.

Best for

  • Memory address decoding
  • Data routing

Avoid if

  • Low-voltage logic systems (e.g., 1.8V or 3.3V)

Check before use

  • Input voltage levels
  • Propagation delay requirements

Key specifications

Supply Voltage
5 V
Logic Family
LS TTL
Operating Temp
0 to 70 °C

Compliance & Environment

RoHS
-
REACH
-
MSL
MSL3
ECCN
-
HTSUS
-

Application

IndustrialGeneral Logic

Datasheet

o4YBAGBUWTKAUyZJAPTyNnFYCCI357.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for XL74LS138: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a 3-line to 8-line decoder/demultiplexer using Schottky-clamped TTL technology for fast propagation delays.